The construction of Qutub Minar was completed by
(a) Nasiruddin
(b) Iltutmish
(c) Qutubuddin Aibak
(d) Baiban
Answer:
In 1200 AD, Qutb al-Din Aibak, originator of the Delhi Sultanate, began development of the Qutub Minar. The development was later taken over by his replacement Iltutmish who built three additional accounts of the pinnacle.
Hence option b is the answer.